[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [RGBA](./puppeteer.protocol.dom.rgba.md) > [b](./puppeteer.protocol.dom.rgba.b.md) ## Protocol.DOM.RGBA.b property The blue component, in the \[0-255\] range. Signature: ```typescript b: integer; ```